| SIHO COMPANY LIMITED | Private company limited by shares | Live |
| SiHo Tech Company Limited | Private company limited by shares | Live |
| SIHOCHAM PROPERTY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SIHOGO LIMITED | | Live |
| SIHOI WAHSHING INTERNATIONAL HOLDING LIMITED | | Live |
| SIHON COMPANY LIMITED | Private company limited by shares | Dissolved |
| ANJI SIHONG HOUSEWARE CO., LIMITED | Private company limited by shares | Live |
| Sihong Co., Limited | | Live |
| SIHONG RUI PEPTIDE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK SIHONG TRADING CO., LIMITED | Private company limited by shares | Live |
| HK Sihong Trading Co., Limited | | Live |
| SiHong Group Limited | | Live |
| HONGKONG SIHONG GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SIHONG INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SIHONG INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SIHONG INVESTMENT LIMITED | Private company limited by shares | Live |
| SIHONG RENEWABLE RESOURCES LIMITED | Private company limited by shares | Live |
| SIHONG RUIHONG TRADING CO., LIMITED | | Live |
| SIHONG TRADING LIMITED | Private company limited by shares | Live |